Forward osmosis device, and forward osmosis method
a technology of forward osmosis and osmosis membrane, which is applied in the direction of carbonate/bicarbonate preparation, membrane, water/sewage treatment by degassing, etc., can solve the problems of poor rate of permeation through the semi-permeable membrane by water from the feed solution, water shortage becoming a serious problem, and speeding up the rate of permeation, so as to reduce the quantity of draw solution remaining, enhance stripping performance, and high per
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[0088]The present invention is described more specifically below through embodiments. The materials, quantities employed, ratios, processing contents, processing procedures and the like that are indicated in the embodiments below can be suitably modified within departing from the spirit or scope of the present invention. Accordingly, the scope of the present invention is not limited by the specific examples given below.
[0089]In the present embodiments, the following substances were employed as the cation source and anion source.
[0090]The Henry's law constant is a value based on the Compilation of Henry's Law Constants for Inorganic and Organic Species of Potential Importance in Environmental Chemistry (hyperlink: http: / / www.mpch-mainz.mpg.de / ˜sander / res / henry.html). For substances for which multiple values were listed, extreme values were eliminated and the average value was employed. It is denoted in units of Pa / mol·fraction. The molecular weight is the molecular weight of the resp...
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